Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing my new design; and,

FIG. 2 is an additional front view thereof showing additional, unclaimed subject matter.

The dot-dash broken lines define the bounds of the claimed design and form no part thereof. The dash-dash broken lines in FIG. 2 show a display screen or portion thereof and portions of the graphical user interface and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 